HI all, Windows 8.1 updates for existing phones already started to roll out. Hurry up, check your availability and do the updates. To know how windows update is available, click here If you have a nokia (Microsoft now) lumia phone and if you are looking whether the update is available for your model, in your area click here for example, If you are in asia pacific you can check the availability here Anyway mine not yet available.. :( Just shared the info!!